git remove from commit but keep file code example

Example 1: git undo commit

# Uncommit the changes
git reset --soft HEAD~1

# Completely delete the changes
git reset --hard HEAD~1

Example 2: git reset keep changes

git reset HEAD^ --soft

Example 3: git revert commit but keep changes

git reset HEAD^

Example 4: git undo last commit

git reset --soft HEAD~1